Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

“Perfect stage” of a fungus means __________

A. When the fungus is perfectly healthy
B. When it reproduces asexually
C. When it forms perfect sexual spores
D. When form no spores
Answer» D. When form no spores
2.

Bioluminescence is exhibited by __________

A. Chlorella
B. Chlamydomonas
C. Hirudinaria
D. Ceratium
Answer» E.
3.

At 30℃, water has the viscosity of __________

A. 0.801
B. 1
C. 2
D. 6.29
Answer» B. 1
4.

Flow is a kind of __________

A. Breakage
B. Reversible deformation
C. Irreversible deformation
D. Liquid
Answer» D. Liquid
5.

All fungi are ______

A. Autrophs
B. Saprophytes
C. Parasites
D. Heterotrophs
Answer» E.
6.

In diatoms, auxospores help in __________

A. Metabolism
B. Spore formation
C. Reproduction
D. Growth
Answer» D. Growth
7.

Which fluids are having a constant viscosity dependent on temperature but independent of the applied shear rate?

A. Non-Newtonian
B. Newtonian
C. Dry
D. Wet
Answer» C. Dry
8.

Cheese cancer of Swiss and similar cheese is caused by?

A. Oospora Crustacea
B. Oospora caseovorans
C. Oospora aurianticum
D. S. cremoris
Answer» C. Oospora aurianticum
9.

Viscosity of Skim milk depends on __________

A. Temperature
B. pH
C. Temperature and pH
D. Moisture
Answer» D. Moisture
10.

Which among the following is not the example of thixotropic fluid?

A. Yogurt
B. Ice cream
C. Mayonnaise
D. Milk
Answer» E.
11.

Penicillium camemberti is used for ripening of __________

A. roqueforti cheese
B. camembert cheese
C. all cheese
D. fruits
Answer» C. all cheese
12.

Cooled raw milk and cream exhibit which of the following flow behavior?

A. Newtonian
B. Non Newtonian
C. Sticky
D. None
Answer» C. Sticky
13.

Non bacterial ropiness or sliminess in milk and milk products may be due which of the following reasons?

A. Stringiness due to mastitis and in particular by fibrin and leucocytes from the cow’s blood
B. Sliminess resulting from the thickness of the cream
C. Stringiness due to thin films of casein or lactalbumin during cooling
D. Cleanliness
Answer» E.
14.

Which bacteria is responsible for ripening Emmenthal cheese?

A. Lactobacillus helveticus and Lb. bulgaricus
B. L.acidophilus
C. Bifidobacteria
D. Streptococcus diacetylactis
Answer» B. L.acidophilus
15.

Elasticity is___________

A. Breakage
B. Reversible deformation
C. Irreversible deformation
D. Liquid
Answer» C. Irreversible deformation
16.

Milk is a ______ fluid.

A. Viscous
B. Elastic
C. Visco-elastic
D. Extraneous
Answer» B. Elastic
17.

Single celled eukaryotes are included in __________

A. Fungi
B. Archae
C. Monera
D. Protista
Answer» E.
18.

Which of the following is a heteroceous fungus?

A. Albugo
B. Phytophora
C. Puccinia
D. Ustilago
Answer» D. Ustilago
19.

Which of the following is the characteristic of good quality milk?

A. CFU<1000000 per ml
B. CFU>1000000 per ml
C. CFU=1000000 per ml
D. CFU>1500000 per ml
Answer» B. CFU>1000000 per ml
20.

Bacteria which cause diseases in humans, animals and plants are called __________

A. Anaerobic bacteria
B. Aerobic bacteria
C. Pathogenic bacteria
D. Non pathogenic bacteria
Answer» D. Non pathogenic bacteria
21.

Yeast cells are good source of __________

A. Vitamin A and B
B. Vitamin A and D
C. Vitamin B and D
D. Vitamin K
Answer» D. Vitamin K
22.

Decrease in temperature of milk leads to _______ in viscosity.

A. Parabolic decrease
B. Linear decrease
C. Constant
D. Increase
Answer» E.
23.

Which of the following is the source of Vitamin A?

A. Sterptococcus
B. Rhodotorula gracilis
C. Bacteria
D. Yeast
Answer» C. Bacteria
24.

Stress strain relationship for a Newtonian fluid is __________

A. Hyperbolic
B. Parabolic
C. Linear
D. Inverse type
Answer» D. Inverse type
25.

Property of fluid that describes its internal resistance is known as __________

A. Viscosity
B. Friction
C. Resistance
D. Internal energy
Answer» B. Friction
26.

Roquefort cheese is ripened by __________

A. Penicillium roqueforti
B. Penicillium camemberti
C. Penicillium sp
D. Penicillium rhizogenes
Answer» B. Penicillium camemberti
27.

Temperatures above 65° C _______ viscosity of skim milk.

A. Parabolic decrease
B. Linear decrease
C. Constant
D. Increase
Answer» E.
28.

Lactic acid bacteria ferment which of the following forming lactic acid?

A. Sucrose
B. Glucose
C. Lactose
D. Fructose
Answer» D. Fructose
29.

Which among the following is not a bacterial group which occurs in milk?

A. Lactic acid bacteria
B. Coliform bacteria
C. Putrefaction bacteria
D. Carboxylic acid bacteria
Answer» E.
30.

Which of the following satisfy n=1 (where n is flow behavior index)?

A. Pseudoplastic fluid
B. Thixotropic fluid
C. Newtonian fluid
D. Diliant fluid
Answer» D. Diliant fluid
31.

Ostwald, Herschel-Bulkley, Steiger-Ory, Bingham, Ellis and Eyring. The following models are to study the flow behavior of?

A. Newtonian fluid
B. Non-Newtonian fluid
C. Dilated fluid
D. Ideal fluid
Answer» C. Dilated fluid
32.

Which of the following satisfy n>1 (where n is flow behavior index)?

A. Pseudoplastic fluid
B. Thixotropic fluid
C. Newtonian fluid
D. Diliant fluid
Answer» E.
33.

Herschel-Bulkley model is also called as ______

A. Low equation
B. Young’s equation
C. Power law equation
D. Rutherford equation
Answer» D. Rutherford equation
34.

Which of the following satisfy n

A. Pseudoplastic fluid
B. Thixotropic fluid
C. Newtonian fluid
D. Diliant fluid
Answer» B. Thixotropic fluid
35.

The flow meter which is replacing the differential pressure meters in its applications is _____________

A. Vortex-shedding flow meter
B. Electromagnetic flow meters
C. Ultrasonic flow meters
D. Displacemement meter
Answer» B. Electromagnetic flow meters
36.

The diagram below is a graph of change in shear stress with respect to velocity gradient in a fluid. What is a type of the fluid?

A. Newtonian
B. Non Newtonian
C. Ideal
D. Dilated
Answer» B. Non Newtonian
37.

Rheology stands for viscosity measurements, characterisation of flow behavior and determination of material structure.

A. True
B. False
C. May be True or False
D. Can't say
Answer» B. False
38.

Why is it necessary to study flow behavior in dairy?

A. To design food processing plant
B. To prevent spoilage
C. To design food processing plant and prevent spoilage
D. For nutrition
Answer» D. For nutrition
39.

Consistency can be described as ___________

A. Viscosity
B. Elasticity
C. Breakability
D. Viscosity and elasticity
Answer» E.
40.

The science of deformation and flow of matter is called _____

A. Welding
B. Bending
C. Tapping
D. Rheology
Answer» E.